Which of the following sulphides is insoluble in dilute H...
Which of the following sulphides is insoluble in dilute HCl?
Na2S
ZnS
CuS
FeS
Correct answer is C
No explanation has been provided for this answer.
Group VIl elements in their combined states are called? ...
The saponification of an alkanoate to produce soap and alkanol involves ...
What is the mass of solute in 500cm3 of 0.005moldm−3 H2SO4? ( H = 1, S = 32....
Consider the reaction represented by the equation: 2SO2(g) + O2(g) ⇌ 2SO3(g);...
The molecular lattice of iodine is held together by ...
Which of the following statements best explains the difference between a gas and a vapour?...
Farmlands affected by crude-oil spillage can be decontaminated by ...